A nonahedron
nonahedron
It is a nonahedron.
Nonahedron
nonahedron
pentagon
An octagonal pyramid.
A triangular prism.
Nonahedron.
It depends on the 3d shape.
It is not a 3D shape.
A camera is a 3D shape. A photograph is a 2D projection of a 3D shape onto a 2D shape.